Update license boilerplate text in source code files

Normally we don't do this, but enough changes have accumulated that
we're doing a tree-wide one-off update of the name & style.

BUG=chromium:1098010
TEST=`repo upload` works

Change-Id: I087c21a97762bc8ec9c0ad70a914818576ec19ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/repohooks/+/3876908
Reviewed-by: Alex Klein <saklein@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/blocked_terms_unittest.py b/blocked_terms_unittest.py
index 6376349..1b20168 100755
--- a/blocked_terms_unittest.py
+++ b/blocked_terms_unittest.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Copyright 2020 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
diff --git a/clang-format.py b/clang-format.py
index 7ef5521..0d70108 100755
--- a/clang-format.py
+++ b/clang-format.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2017 The Chromium OS Authors. All rights reserved.
+# Copyright 2017 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
diff --git a/errors.py b/errors.py
index ec55e79..b5c9d42 100644
--- a/errors.py
+++ b/errors.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Copyright 2011 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
diff --git a/pre-upload.py b/pre-upload.py
index 9ac4bc0..59ef72d 100755
--- a/pre-upload.py
+++ b/pre-upload.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+# Copyright 2012 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
diff --git a/pre-upload_unittest.py b/pre-upload_unittest.py
index 1400539..4f7c783 100755
--- a/pre-upload_unittest.py
+++ b/pre-upload_unittest.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+# Copyright 2012 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.